<template>
  <editor-content :editor="editor" />
</template>

<script>
import Document from '@tiptap/extension-document'
import Placeholder from '@tiptap/extension-placeholder'
import StarterKit from '@tiptap/starter-kit'
import { Editor, EditorContent } from '@tiptap/vue-3'

const CustomDocument = Document.extend({
  content: 'heading block*',
})

export default {
  components: {
    EditorContent,
  },

  data() {
    return {
      editor: null,
    }
  },

  mounted() {
    this.editor = new Editor({
      extensions: [
        CustomDocument,
        StarterKit.configure({
          document: false,
        }),
        Placeholder.configure({
          placeholder: ({ node }) => {
            if (node.type.name === 'heading') {
              return 'What’s the title?'
            }

            return 'Can you add some further context?'
          },
        }),
      ],
      content: `
        <h1>
          It’ll always have a heading …
        </h1>
        <p>
          … if you pass a custom document. That’s the beauty of having full control over the schema.
        </p>
      `,
    })
  },

  beforeUnmount() {
    this.editor.destroy()
  },
}
</script>

<style lang="scss">
/* Basic editor styles */
.tiptap {
  :first-child {
    margin-top: 0;
  }

  /* List styles */
  ul,
  ol {
    padding: 0 1rem;
    margin: 1.25rem 1rem 1.25rem 0.4rem;

    li p {
      margin-top: 0.25em;
      margin-bottom: 0.25em;
    }
  }

  /* Heading styles */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    line-height: 1.1;
    margin-top: 2.5rem;
    text-wrap: pretty;
  }

  h1,
  h2 {
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  h4,
  h5,
  h6 {
    font-size: 1rem;
  }

  /* Code and preformatted text styles */
  code {
    background-color: var(--purple-light);
    border-radius: 0.4rem;
    color: var(--black);
    font-size: 0.85rem;
    padding: 0.25em 0.3em;
  }

  pre {
    background: var(--black);
    border-radius: 0.5rem;
    color: var(--white);
    font-family: 'JetBrainsMono', monospace;
    margin: 1.5rem 0;
    padding: 0.75rem 1rem;

    code {
      background: none;
      color: inherit;
      font-size: 0.8rem;
      padding: 0;
    }
  }

  blockquote {
    border-left: 3px solid var(--gray-3);
    margin: 1.5rem 0;
    padding-left: 1rem;
  }

  hr {
    border: none;
    border-top: 1px solid var(--gray-2);
    margin: 2rem 0;
  }

  /* Placeholder (at the top) */
  /* p.is-editor-empty:first-child::before {
    color: var(--gray-4);
    content: attr(data-placeholder);
    float: left;
    height: 0;
    pointer-events: none;
  }*/

  /* Placeholder (on every new line) */
  .is-empty::before {
    color: var(--gray-4);
    content: attr(data-placeholder);
    float: left;
    height: 0;
    pointer-events: none;
  }
}
</style>
